Name of Plant Thumbnail 1 Thumbnail 2 Distribution Map Name of Plant Thumbnail 1 Thumbnail 2 Distribution Map
  • Hedera helix
  • Ivy
Hedera helix

Hedera helix Ivy

Helsby, Chseshire, 9th November 2001

Photo: Peter Llewellyn

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Hedera helix
  • Humulus lupulus
  • Hop
Humulus lupulus

Village in Monmouthshire, 6th September 2005 Hop

Place_date

Photo: Peter Llewellyn

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Humulus lupulus
  • Helianthemum nummularium
  • Common Rock-rose
Helianthemum nummularium

Helianthemum nummularium Common Rock-rose

Great Orme, North Wales, 7th May 2005

Photo: Peter Llewellyn

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Helianthemum nummularium

Helianthemum nummularium Common Rock-rose

Llandulas quarry, North Wales, 1st July 2008

Photo: Peter Llewellyn

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Helianthemum nummularium
  • Huperzia selago
  • English
Huperzia selago

Huperzia selago English_name

Upper slopes of Fraoch-bheinn, Scotland 8th June 2006

Photo: Peter Llewellyn

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Huperzia selago
  • Helictotrichon pratense
  • Avenula pratensis
  • Meadow Oat-grass
Helictotrichon pratense

Helictotrichon pratense Meadow Oat-grass

Coed Cilygroeslwyd, Near Ruthin 30th May 2005

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Helictotrichon pratense
  • Hyacinthoides hispanica x H. non-scripta
  • Hyacinthoides x massartiana
  • Hybrid Bluebell
Hyacinthoides hispanica x H. non-scripta

Hyacinthoides hispanica x H. non-scripta(H. x massartiana) Hybrid Bluebell

Pensarn beach, Abergele, 25th April 2005

Photo: Peter Llewellyn

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Hyacinthoides hispanica x H. non-scripta
  • Helictotrichon pubescens
  • Avenula pubescens
  • Downy Oat-grass
Helictotrichon pubescens

Helictotrichon pubescens Downy Oat-grass

Great Orme, North Wales 26th May 2009

Photo: Peter Llewellyn

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Helictotrichon pubescens stem

Helictotrichon pubescens Downy Oat-grass

Great Orme, North Wales 26th May 2009

Photo: Peter Llewellyn

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Helictotrichon pubescens
  • Hyacinthoides non-scripta
  • Bluebell
Hyacinthoides non-scripta

Hyacinthoides non-scripta Bluebell

Coed Cilygrowslwyd, Near Ruthin, North Wales 16th April 2002

Photo: Peter Llewellyn

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Hyacinthoides non-scripta

Hyacinthoides non-scripta Bluebell

Warburton wood, Cheshire 8th April 2005

Photo: Peter Llewellyn

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Hyacinthoides non-scripta
  • Helleborus foetidus
  • Stinking Hellebore
Helleborus foetidus

Helleborus foetidus Stinking Hellebore

Coed Cilygrowslwyd, Near Ruthin, North Wales 12th January 2005

Photo: Peter Llewellyn

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Helleborus foetidus
  • Hydrocharis morsus-ranae
  • Frogbit
Hydrocharis morsus-ranae

Hydrocharis morsus-ranae Frogbit

Pond naer Dunham-on-the-hill, Cheshire 11th August 2006

Photo: Peter Llewellyn

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Hydrocharis morsus-ranae
  • Helleborus viridis
  • Green Hellebore
Hydrocotyle ranunculoides

Helleborus viridis Green Hellebore

Llandwen, Anglesey, 10th February 2005

Photo: Peter Llewellyn

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Helleborus viridis
  • Hydrocotyle ranunculoides
  • Floating Pennywort
Hybdrocotyle ranunculoides

Hydrocotyle ranunculoides Floating Pennywort

River Weaver, Hartford, Cheshire 10th September 2009

Photo: Peter Llewellyn

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Hybdrocotyle ranunculoides close

Hydrocotyle ranunculoides Floating Pennywort

River Weaver, Hartford, Cheshire 10th September 2009

Photo: Peter Llewellyn

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Hydrocotyle ranunculoides
  • Heracleum mantegazzianum
  • Giant Hogweed
Heracleum mantegazzianum

Heracleum mantegazzianum Giant Hogweed

Verge, Chester restail park, 30th June 2005

Photo: Peter Llewellyn

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Heracleum mantegazzianum
  • Hydrocotyle vulgaris
  • Marsh Pennywort
Hydrocotyle vulgaris

Hydrocotyle vulgaris Marsh Pennywort

Sefton Coastal dunes, 23rd July 2005

Photo: Peter Llewellyn

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Hydrocotyle vulgaris
  • Heracleum sphondylium
  • Hogweed
Heracleum sphondylium

Heracleum sphondylium Hogweed

St. Abbs Head, Scotland, 14th July 2006

Photo: Peter Llewellyn

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Heracleum sphondylium

Heracleum sphondylium Hogweed

St. Abbs Head, Scotland, 14th July 2006

Photo: Peter Llewellyn

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Heracleum sphondylium
  • Hymenophyllum wilsonii
  • Wilson's Filmy Fern
Hymenophyllum wilsonii

Hymenophyllum wilsonii Wilson's Filmy Fern

Cwm Idwal, Snowdonia, 5th June 2007

Photo: Peter Llewellyn

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Hymenophyllum wilsonii
  • Hesperis matronalis
  • Dame's Violet
Hesperis matronalis

Hesperis matronalis Dame's Violet

Chee Dale, Derbyshire, 15th June 2006

Photo: Peter Llewellyn

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Hesperis matronalis
  • Hyoscyamus niger
  • Henbane
Hyoscyamus niger

Hyoscyamus niger Henbane

Cliffs, Great Orme, 5th September 2004

Photo: Peter Llewellyn

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Hyoscyamus niger
  • Hieracium agg.
  • Hawkweed
Hieracium agg.

Hieracium agg. (Actually H. alpinum) Hawkweed (Alpine)

Cul Mor, Scotland, 25th July 2009

Photo: Peter Llewellyn

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Hieracium agg.
  • Hypericum androsaemum
  • Tutsan
Hypericum androsaemum

Hypericum androsaemum Tutsan

Gaitbarrows, North Lanacashire, 12th June 2004

Photo: Peter Llewellyn

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Hypericum androsaemum
  • Hippocrepis comosa
  • Horseshoe Vetch
Hippocrepis comosa

Hippocrepis comosa Horseshoe Vetch

Great Orme, North Wales, 4th May 2005

Photo: Peter Llewellyn

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Hippocrepis comosa
  • Hypericum calycinum
  • Rose-of-Sharon
Hypericum calycinum

Hypericum calycinum Rose-of-Sharon

Sefton coast, 27th June 2007

Photo: Peter Llewellyn

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Hypericum calycinum
  • Hippophae rhamnoides
  • Sea-buckthorn
Hippophae rhamnoides

Hippophae rhamnoides Sea-buckthorn

Sefton coast, 28th April 2006

Photo: Peter Llewellyn

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Hippophae rhamnoides

Hippophae rhamnoides Sea-buckthorn

Red Rocks, Wirral 29th September 2004

Photo: Peter Llewellyn

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Hippophae rhamnoides
  • Hypericum elodes
  • Marsh St. John's-wort
Hypericum elodes

Hypericum elodes Marsh St. John's-wort

Bolberry down, Devon, 12th July 2009

Photo: Peter Llewellyn

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Hypericum elodes
  • Hippuris vulgaris
  • Mare's-tail
Hippuris vulgaris

Hippuris vulgaris Mare's-tail

Sefton Coast, 23rd July 2005

Photo: Peter Llewellyn

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Hippuris vulgaris
  • Hypericum hirsutum
  • Hairy St. John's-wort
Hypericum hirsutum

Hypericum hirsutum Hairy St. John's-wort

Llandulas quarry, North Wales, 26th June 2005

Photo: Peter Llewellyn

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Hypericum hirsutum
  • Hirschfeldia incana
  • Hoary Mustard
Hirschfeldia incana

Hirschfeldia incana Hoary Mustard

Sefton coast 13th June 2007

Photo: Peter Llewellyn

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Hirschfeldia incana

Hirschfeldia incana Hoary Mustard

Sefton coast 13th June 2007

Photo: Peter Llewellyn

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Hirschfeldia incana
  • Hypericum humifusum
  • Trailing St. John's-wort
Hypericum humifusum

Hypericum humifusum Trailing St. John's-wort

gaitbarrows, Lancashire, 12th July 2004

Photo: Peter Llewellyn

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Hypericum humifusum
  • Holcus lanatus
  • Yorkshire Fog
Holcus lanatus

Holcus lanatus Yorkshire Fog

Godshill, Isle of Wight 1st June 2006

Photo: Peter Llewellyn

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Holcus lanatus

Holcus lanatus Yorkshire Fog

Verge near Ruthin 12th July 2004

Photo: Peter Llewellyn

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Holcus lanatus
  • Hypericum maculatum
  • Imperforate St. John's-wort
Hypericum maculatum

Hypericum maculatum Hypericum maculatum

Near Loch Insh, 15th Jul 2007

Photo: Bob and Audrey Turner

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Hypericum maculatum Hypericum maculatum

Near Loch Insh, 15th Jul 2007

Photo: Bob and Audrey Turner

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Hypericum maculatum
  • Holcus mollis
  • Creeping Soft-grass
Holcus mollis

Holcus mollis Creeping Soft-grass

Cheshire verge, 17th August 2009

Photo: Peter Llewellyn

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Holcus mollis node

Holcus mollis Creeping Soft-grass (Hairy Node)

Cheshire verge, 17th August 2009

Photo: Peter Llewellyn

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Holcus mollis
  • Hypericum montanum
  • Pale St. John's-wort
Hypericum montanum

Hypericum montanum Pale St. John's-wort

Llandula quarry, North Wales, 16th July 2008

Photo: Peter Llewellyn

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Hypericum montanum close

Hypericum montanum Pale St. John's-wort

Llandula quarry, North Wales, 16th July 2008

Photo: Peter Llewellyn

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Hypericum montanum
  • Honckenya peploides
  • Sea Sandwort
Honckenya peploides

Honckenya peploides Sea Sandwort

Spurn Point, Yorkshire, 5th July 2004

Photo: Peter Llewellyn

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Honckenya peploides close

Honckenya peploides Sea Sandwort

Spurn Point, Yorkshire, 5th July 2004

Photo: Peter Llewellyn

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Honckenya peploides
  • Hypericum perforatum
  • Perforate St. John's-wort
Hypericum perforatum

Hypericum perforatum Perforate St. John's-wort

Ranscombe farm, Kent 3rd June 2007

Photo: Peter Llewellyn

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Hypericum perforatum
  • Hordeum murinum
  • Wall Barley
Hordeum murinum

Hordeum murinum Wall Barley

Abergele, North Wales, 4th May 2006

Photo: Peter Llewellyn

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Hordeum murinum
  • Hypericum pulchrum
  • Slender St. John's-wort
Hypericum pulchrum

Hypericum pulchrum Slender St. John's-wort

Rocks by Llyn Ogwen, 15th July 2008

Photo: Peter Llewellyn

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Hypericum pulchrum
  • Hordeum secalinum
  • Meadow Barley
Hordeum secalinum

Hordeum secalinum Meadow Barley

Ham River Lands, 7th July 2007

Photo: Peter Llewellyn

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Hordeum secalinum
  • Hypericum tetrapterum
  • Square-stalked St. John's-wort
Hypericum tetrapterum

Hypericum tetrapterum Square-stalked St. John's-wort

Porthdinllain, North Wales, 25th July 2005

Photo: Peter Llewellyn

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Hypericum tetrapterum
  • Hottonia palustris
  • Water-violet
Hottonia palustris

Hottonia palustris Water-violet

Frodsham marshes, Cheshire 6th June 2005

Photo: Peter Llewellyn

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Hottonia palustris
  • Hypochaeris radicata
  • Cat's-ear
Hypochaeris radicata

Hypochaeris radicata Cat's-ear

Great Orme, North Wales, 10th June 2004

Photo: Peter Llewellyn

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Hypochaeris radicata

Added on 27th Aug 2009, updated 4th Oct 2009, updated 12th Nov 2009, updated 23rd December 2010